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Individual Calculations September 2009 |
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| Serefidou, Despina Total change: 17.70 | |   |
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| Greek Open Champ. Men - Women, Preliminaries ESSAMTH | Kavala | GRE | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1634 | 1.50 | 5 | 0.58 | 15 | 8.70 | |
|  Koroglou, Viktor | | | 1854 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Sotiropoulos, Theodoros | | | 1788 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Aftsoglou, Ioannis | | | 1984 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Manelidis, Savvas | | | 1984 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Kafetzis, Georgios | | | 1886 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 18th Greek Indiv. Championship girls U12 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1634 | 2.00 | 4 | -0.12 | 15 | -1.80 | |
| | Papathanasiou, Elisavet | | | 1619 | GRE | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Tsolaki, Eleni | | | 1631 | GRE | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Fragkou, Maria | | | 1462 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Markaki, Sofia | | | 1728 | GRE | 1.00 | 1 | 0.63 | 15 | 9.45 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1638 | 3.50 | 5 | 0.48 | 15 | 7.20 | |
| | Papavlasopoulos, Dimitrios | | | 1426 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Gkougkousis, Nikolaos | | | 1666 | GRE | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Festas, Aristotelis | | | 1447 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Papadopoulos, Georgios Nikea | | | 1653 | GRE | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Fakhiridou, Anna-Raisa | | | 1594 | GRE | 0.50 | 1 | -0.06 | 15 | -0.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1638 | 1.00 | 5 | 0.24 | 15 | 3.60 | |
| | Kalergis, Nikolaos | | | 2001 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Tachtatzis, Athanasios | | | 1868 | GRE | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Makropoulos, Ioannis | | | 1860 | GRE | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Chrobak, Frank | | | 1960 | GER | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Mastrorilli, Nicola | | | 2011 | ITA | 0.00 | 1 | -0.10 | 15 | -1.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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